/*
 * Copyright (c) 2026, Chloe M.
 * Provided under the BSD-3 clause.
 *
 * Description:  Boot protocol abstraction layer
 * Author:       Chloe M.
 */

#include <ke/bpal.h>
#include <ke/knot.h>
#include <stdef.h>
#include <string.h>

#ifndef _BOOT_PROTO
#error "Boot protocol must be defined"
#else
#define BOOT_PROTO _BOOT_PROTO
#endif  /* !_BOOT_PROTO */

static BPAL_HANDLE BpalHandle;
static BOOLEAN IsInit = false;

VOID
KeBpalGetHandle(BPAL_HANDLE *Result)
{
    if (Result == NULL) {
        return;
    }

    *Result = BpalHandle;
}

BOOLEAN
KeBpalIsInit(VOID)
{
    return IsInit;
}

VOID
KeBpalInit(VOID)
{
    const CHAR *BootProto = BOOT_PROTO;

    switch (*BootProto) {
    case 'l':
        if (RtlMemCmp(BootProto, "limine", 6) == 0) {
            KeBpalLimineInit(&BpalHandle);
            IsInit = true;
            return;
        }
    }

    KeKnot(
        KNOT_BAD_BOOT_PROTO,
        "got bad boot protocol '%s'\n",
        BootProto
    );
}